/**
 * 全站路由配置
 *
 * 建议:
 * 1. 代码中路由统一使用name属性跳转(不使用path属性)
 */
import { createRouter, createWebHistory } from 'vue-router'
import http from '@/utils/httpRequest'
import { isURL } from '@/utils/validate'
import { clearLoginInfo } from '@/utils'
import Home from '../views/Home.vue'
// 开发环境不使用懒加载, 因为懒加载页面太多的话会造成webpack热更新太慢, 所以只有生产环境使用懒加载
const _import = (path) => {
  if (process.env.NODE_ENV === 'development') {
    // 开发环境使用静态require
    const modules = import.meta.glob('@/views/**/*.vue', { eager: true });
    return modules[`/src/views/${path}.vue`].default;
  } else {
    // 生产环境使用懒加载
    return () => import(`@/views/${path}.vue`);
  }
}

const globalRoutes = [
  {
    path: '/',
    name: 'Home',
    component: Home,
  },
  {
    path: '/404',
    component: _import('common/404'),
    name: '404',
    meta: { title: '404未找到' },
  },
  {
    path: '/login',
    component: _import('common/login'),
    name: 'login',
    meta: { title: '登录' },
  },
]

const router = createRouter({
  history: createWebHistory(),
  routes:globalRoutes,
})

// 主入口路由(需嵌套上左右整体布局)
const mainRoutes = {
  path: '/',
  component: _import('main'),
  name: 'main',
  redirect: { name: 'home' },
  meta: { title: '主入口整体布局' },
  children: [
    // 通过meta对象设置路由展示方式
    // 1. isTab: 是否通过tab展示内容, true: 是, false: 否
    // 2. iframeUrl: 是否通过iframe嵌套展示内容, '以http[s]://开头': 是, '': 否
    // 提示: 如需要通过iframe嵌套展示内容, 但不通过tab打开, 请自行创建组件使用iframe处理!
    {
      path: '/home',
      component: _import('common/home'),
      name: 'home',
      meta: { title: '首页' },
    },
    {
      path: '/theme',
      component: _import('common/theme'),
      name: 'theme',
      meta: { title: '主题' },
    },
    {
      path: '/demo-echarts',
      component: _import('demo/echarts'),
      name: 'demo-echarts',
      meta: { title: 'demo-echarts', isTab: true },
    },
    {
      path: '/demo-ueditor',
      component: _import('demo/ueditor'),
      name: 'demo-ueditor',
      meta: { title: 'demo-ueditor', isTab: true },
    },
  ],
  beforeEnter(to, from, next) {
    let token = Vue.cookie.get('token')
    if (!token || !/\S/.test(token)) {
      clearLoginInfo()
      next({ name: 'login' })
    }
    next()
  },
}

// router.beforeEach((to, from, next) => {
//   // 添加动态(菜单)路由
//   // 1. 已经添加 or 全局路由, 直接访问
//   // 2. 获取菜单列表, 添加并保存本地存储
//   if (
//     router.options.isAddDynamicMenuRoutes ||
//     fnCurrentRouteType(to, globalRoutes) === 'global'
//   ) {
//     next()
//   } else {
//     http({
//       url: http.adornUrl('/sys/menu/nav'),
//       method: 'get',
//       params: http.adornParams(),
//     })
//       .then(({ data }) => {
//         if (data && data.code === 0) {
//           fnAddDynamicMenuRoutes(data.menuList)
//           router.options.isAddDynamicMenuRoutes = true
//           sessionStorage.setItem(
//             'menuList',
//             JSON.stringify(data.menuList || '[]'),
//           )
//           sessionStorage.setItem(
//             'permissions',
//             JSON.stringify(data.permissions || '[]'),
//           )
//           next({ ...to, replace: true })
//         } else {
//           sessionStorage.setItem('menuList', '[]')
//           sessionStorage.setItem('permissions', '[]')
//           next()
//         }
//       })
//       .catch((e) => {
//         console.log(
//           `%c${e} 请求菜单列表和权限失败，跳转至登录页！！`,
//           'color:blue',
//         )
//         router.push({ name: 'login' })
//       })
//   }
// })

/**
 * 判断当前路由类型, global: 全局路由, main: 主入口路由
 * @param {*} route 当前路由
 */
function fnCurrentRouteType(route, globalRoutes = []) {
  var temp = []
  for (var i = 0; i < globalRoutes.length; i++) {
    if (route.path === globalRoutes[i].path) {
      return 'global'
    } else if (
      globalRoutes[i].children &&
      globalRoutes[i].children.length >= 1
    ) {
      temp = temp.concat(globalRoutes[i].children)
    }
  }
  return temp.length >= 1 ? fnCurrentRouteType(route, temp) : 'main'
}

/**
 * 添加动态(菜单)路由
 * @param {*} menuList 菜单列表
 * @param {*} routes 递归创建的动态(菜单)路由
 */
function fnAddDynamicMenuRoutes(menuList = [], routes = []) {
  var temp = []
  for (var i = 0; i < menuList.length; i++) {
    if (menuList[i].list && menuList[i].list.length >= 1) {
      temp = temp.concat(menuList[i].list)
    } else if (menuList[i].url && /\S/.test(menuList[i].url)) {
      menuList[i].url = menuList[i].url.replace(/^\//, '')
      var route = {
        path: menuList[i].url.replace('/', '-'),
        component: null,
        name: menuList[i].url.replace('/', '-'),
        meta: {
          menuId: menuList[i].menuId,
          title: menuList[i].name,
          isDynamic: true,
          isTab: true,
          iframeUrl: '',
        },
      }
      // url以http[s]://开头, 通过iframe展示
      if (isURL(menuList[i].url)) {
        route['path'] = `i-${menuList[i].menuId}`
        route['name'] = `i-${menuList[i].menuId}`
        route['meta']['iframeUrl'] = menuList[i].url
      } else {
        try {
          route['component'] = _import(menuList[i].url) || null
        } catch (e) {}
      }
      routes.push(route)
    }
  }
  if (temp.length >= 1) {
    fnAddDynamicMenuRoutes(temp, routes)
  } else {
    mainRoutes.name = 'main-dynamic'
    mainRoutes.children = routes
    router.addRoutes([mainRoutes, { path: '*', redirect: { name: '404' } }])
    sessionStorage.setItem(
      'dynamicMenuRoutes',
      JSON.stringify(mainRoutes.children || '[]'),
    )
    console.log('\n')
    console.log(
      '%c!<-------------------- 动态(菜单)路由 s -------------------->',
      'color:blue',
    )
    console.log(mainRoutes.children)
    console.log(
      '%c!<-------------------- 动态(菜单)路由 e -------------------->',
      'color:blue',
    )
  }
}

export default router
